#!/bin/awk
BEGIN {
  x = 12.123
  data[x] = 1
  if (x in data) {
    printf("%s is in data~\n", x)
  } else {
    printf("%s is not in data~\n", x)
  }
  CONVFMT = "%2.2f"
  if (x in data) {
    printf("%s is in data~\n", x)
  } else {
    printf("%s is not in data~\n", x)
  }
}
